from urllib.request import urlretrieve
import requests
from bs4 import BeautifulSoup
#url='https://t9.baidu.com/it/u=1761131378,1355750940&fm=79&app=86&size=h300&n=0&g=4n&f=jpeg?sec=1586530047&t=ff354f40f3369db23109083a460b27a3'
url='https://node2d-public.hep.com.cn/8623e89458c4986961174fbec7fd6a0f.pdf_files/8623e89458c4986961174fbec7fd6a0f.pdf.files/1.png'
urlretrieve(url,'3.jpg')
